Practice question

Under FMCSA rules, a CDL driver with a confirmed alcohol concentration of 0.04% or higher is:

  1. Within legal limits
  2. Prohibited from performing safety-sensitive functions and must be removed; 0.02–0.039% triggers temporary removal for 24+ hours; under 0.02% is allowed
  3. Allowed to keep driving
  4. Only barred over 0.08%

Answer: B — Prohibited from performing safety-sensitive functions and must be removed; 0.02–0.039% triggers temporary removal for 24+ hours; under 0.02% is allowed

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